Blockchain and Cryptography Overview
Completed by SHANG-CHAN CHIOU
December 13, 2025
7 hours (approximately)
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What you will learn
Describe the purpose of hash functions and public key cryptography in blockchain security.
Explore the fundamentals of blockchain technology, including blocks, chains, and network security, and identify and encounter basic threats.
Analyze the security of Proof of Work (PoW), Proof of Stake (PoS), and alternative consensus methods.
Skills you will gain
- Category: Cryptographic Protocols
- Category: Data Security
- Category: Transaction Processing
- Category: Blockchain
- Category: Network Security
- Category: Cyber Risk
- Category: Cybersecurity
- Category: Data Integrity
- Category: Public Key Cryptography Standards (PKCS)
- Category: Cryptography
